Snapping USB support Phone holder

This is a phone holder which I designed for my FIRST Tech Challenge robot. It is designed with two priorities in mind: USB support and the ability to hold the phone securely.

The design allows the phone to snap in, being inserted into the top, and snapped in on the bottom, and provides optimal USB support on all sides

The USB support is designed to be used with a right angle phone plug (like [this](https://www.amazon.com/CableCreation-Degree-Micro-Adapter-Female/dp/B01LX00U5U) or [this](https://www.amazon.com/Sanoxy-Micro-Right-Angle-Adapter/dp/B005GI2VMG)), to be inserted, before being snapped into place with the latch.

This is an improvement on my previous design, the [Moto G4 Play Phone mount with usb support](https://www.thingiverse.com/thing:2746847/edit). It provides added security for the right angle connector, and allows the design to be actively held in place, without the risk of torsional loads while putting the phone in the case, as was previously the case.

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